JSFiddle - React, Tailwind, and code Playground

by Liu ChangFeng

HTML

<div id="delay1">
  鼠标移动过来试试
</div>

CSS

#delay1 {
  background: #CFC;
  padding: 10px;
  display: inline-block;
  transition-property: font-size;
  transition-duration: 4s;
  font-size: 14px;
}

#delay1:hover {
  font-size: 36px;
}

JavaScript

var div = document.getElementById('delay1');
[
  'webkitTransitionEnd',
  'oTransitionEnd',
  'otransitionend',
  'transitionend'
].forEach(function(eventName) {
  div.addEventListener(eventName, function(e) {
    var msg = document.createElement('div')
    msg.innerHTML = '-- 动画结束事件触发 --'
    document.body.appendChild(msg)
  });
});